DE2441863C3 - Entmagnetisierungsanordnung für eine Farbfernsehbildröhre mit vertikal verlaufenden Phosphorbahnen - Google Patents
Entmagnetisierungsanordnung für eine Farbfernsehbildröhre mit vertikal verlaufenden PhosphorbahnenInfo
- Publication number
- DE2441863C3 DE2441863C3 DE2441863A DE2441863A DE2441863C3 DE 2441863 C3 DE2441863 C3 DE 2441863C3 DE 2441863 A DE2441863 A DE 2441863A DE 2441863 A DE2441863 A DE 2441863A DE 2441863 C3 DE2441863 C3 DE 2441863C3
- Authority
- DE
- Germany
- Prior art keywords
- degaussing
- coil
- frequency
- arrangement
- color
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims description 9
- 230000005291 magnetic effect Effects 0.000 claims description 17
- 238000010894 electron beam technology Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005347 demagnetization Effects 0.000 claims description 8
- 230000001419 dependent effect Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims 4
- 230000002411 adverse Effects 0.000 claims 1
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 230000005415 magnetization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/16—Picture reproducers using cathode ray tubes
- H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
- H01J2229/0046—Preventing or cancelling fields within the enclosure
- H01J2229/0053—Demagnetisation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7312607.A NL167289C (nl) | 1973-09-13 | 1973-09-13 | Kleurentelevisieweergeefinrichting voorzien van een kleurentelevisiebeeldbuis en een ontmagnetiserings- inrichting. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2441863A1 DE2441863A1 (de) | 1975-04-03 |
| DE2441863B2 DE2441863B2 (de) | 1977-05-05 |
| DE2441863C3 true DE2441863C3 (de) | 1981-04-09 |
Family
ID=19819590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2441863A Expired DE2441863C3 (de) | 1973-09-13 | 1974-08-31 | Entmagnetisierungsanordnung für eine Farbfernsehbildröhre mit vertikal verlaufenden Phosphorbahnen |
Country Status (15)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7707476A (nl) * | 1977-07-06 | 1979-01-09 | Philips Nv | Werkwijze voor het vervaardigen van een kleuren- beeldbuis en kleurenbeeldbuis vervaardigd vol- gens die werkwijze. |
| ES240801Y (es) * | 1979-01-17 | 1979-08-16 | Bobina desmagnetizadora con doble proteccion. | |
| US4316119A (en) * | 1979-02-16 | 1982-02-16 | Rca Corporation | Tilted unitary degaussing coil arrangement |
| AU535877B2 (en) * | 1979-02-16 | 1984-04-12 | Rca Corp. | Degaussing television tube |
| US4243913A (en) * | 1979-08-29 | 1981-01-06 | Rca Corporation | Color picture tube magnetic shielding and degaussing structure |
| JPS6021458U (ja) * | 1983-07-20 | 1985-02-14 | 北川工業株式会社 | 消磁コイル保持具 |
| US4535270A (en) * | 1983-11-17 | 1985-08-13 | Rca Corporation | Resonant degaussing without residual magnetism |
| IT1201362B (it) * | 1985-10-08 | 1989-01-27 | Plessey Spa | Sistema di correzione della geometria dell'immagine risultante dall'assemblaggio del giogo di deflessione su cinescopio a raggi catodici |
| IN167955B (enrdf_load_stackoverflow) * | 1986-03-27 | 1991-01-12 | Nokia Data Systems | |
| GB2196817A (en) * | 1986-10-30 | 1988-05-05 | Ibm | Degaussing system offsets ambient magnetic fields |
| FR2606574B1 (fr) * | 1986-11-07 | 1989-01-13 | Videocolor | Dispositif de protection de tubes cathodiques a masque vis-a-vis du champ magnetique terrestre |
| JPS63221790A (ja) * | 1987-03-11 | 1988-09-14 | Sony Corp | 陰極線管 |
| US4951659A (en) * | 1988-11-04 | 1990-08-28 | Automatic Liquid Packaging, Inc. | Nebulizer with cooperating disengageable on-line heater |
| DE69516839T2 (de) * | 1994-10-21 | 2000-11-30 | Koninklijke Philips Electronics N.V., Eindhoven | Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung |
| ES2108648B1 (es) * | 1996-01-11 | 1998-07-01 | Arnaiz Alfredo Alarcia | Dispositivo de desmagnetizacion y conexion a masa para tubos de rayos catodicos en color. |
| KR100265172B1 (ko) * | 1996-02-24 | 2000-09-15 | 윤종용 | 모니터의 디가우징 코일 고정장치 |
| US6654224B2 (en) * | 2002-01-18 | 2003-11-25 | Sony Corporation | Degaussing circuit |
| US20040179321A1 (en) * | 2003-03-11 | 2004-09-16 | Tok-Chin Woo | Degaussing circuit for cathode ray tube |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB940019A (en) * | 1959-02-19 | 1963-10-23 | Plessey Co Ltd | Improvements in or relating to scanning coils |
| US3286122A (en) * | 1964-08-31 | 1966-11-15 | Admiral Corp | Automatic degaussing circuit |
| NL6515107A (enrdf_load_stackoverflow) * | 1965-11-20 | 1967-05-22 | ||
| NL166377C (nl) * | 1968-04-14 | 1981-07-15 | Sony Corp | Kleurentelevisieweergeefbuis met ontmagnetiserings- spoelen. |
| FR1600842A (enrdf_load_stackoverflow) * | 1968-07-16 | 1970-08-03 | ||
| US3571652A (en) * | 1969-04-14 | 1971-03-23 | Sony Corp | Degaussing device for color picture tube having parallel-slitted beam-selecting grid |
| JPS5137393Y2 (enrdf_load_stackoverflow) * | 1971-10-28 | 1976-09-13 | ||
| US3872347A (en) * | 1972-04-14 | 1975-03-18 | Tokyo Shibaura Electric Co | Degaussing device for colour cathode ray tubes |
-
1973
- 1973-09-13 NL NL7312607.A patent/NL167289C/xx not_active IP Right Cessation
-
1974
- 1974-08-31 DE DE2441863A patent/DE2441863C3/de not_active Expired
- 1974-09-03 US US05/502,516 patent/US3965386A/en not_active Expired - Lifetime
- 1974-09-03 ZA ZA00745599A patent/ZA745599B/xx unknown
- 1974-09-05 AR AR255480A patent/AR202575A1/es active
- 1974-09-09 CA CA208,771A patent/CA1032649A/en not_active Expired
- 1974-09-10 JP JP10353174A patent/JPS5426417B2/ja not_active Expired
- 1974-09-10 IT IT69736/74A patent/IT1020761B/it active
- 1974-09-10 GB GB39484/74A patent/GB1480635A/en not_active Expired
- 1974-09-10 SE SE7411388A patent/SE397620B/xx not_active IP Right Cessation
- 1974-09-10 BR BR7535/74A patent/BR7407535D0/pt unknown
- 1974-09-11 BE BE148422A patent/BE819799A/xx not_active IP Right Cessation
- 1974-09-11 FR FR7430719A patent/FR2244322B1/fr not_active Expired
- 1974-09-11 ES ES429962A patent/ES429962A1/es not_active Expired
- 1974-09-12 MX MX153726A patent/MX144270A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3965386A (en) | 1976-06-22 |
| AR202575A1 (es) | 1975-06-24 |
| FR2244322A1 (enrdf_load_stackoverflow) | 1975-04-11 |
| DE2441863B2 (de) | 1977-05-05 |
| IT1020761B (it) | 1977-12-30 |
| NL7312607A (nl) | 1975-03-17 |
| ES429962A1 (es) | 1976-09-16 |
| MX144270A (es) | 1981-09-23 |
| AU7304674A (en) | 1976-03-11 |
| NL167289B (nl) | 1981-06-16 |
| JPS5057538A (enrdf_load_stackoverflow) | 1975-05-20 |
| BE819799A (fr) | 1975-03-11 |
| JPS5426417B2 (enrdf_load_stackoverflow) | 1979-09-04 |
| ZA745599B (en) | 1976-04-28 |
| CA1032649A (en) | 1978-06-06 |
| SE7411388L (enrdf_load_stackoverflow) | 1975-03-14 |
| NL167289C (nl) | 1981-11-16 |
| GB1480635A (en) | 1977-07-20 |
| DE2441863A1 (de) | 1975-04-03 |
| SE397620B (sv) | 1977-11-07 |
| BR7407535D0 (pt) | 1975-07-08 |
| FR2244322B1 (enrdf_load_stackoverflow) | 1981-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2441863C3 (de) | Entmagnetisierungsanordnung für eine Farbfernsehbildröhre mit vertikal verlaufenden Phosphorbahnen | |
| DE2828710C2 (de) | Verfahren zur Herstellung eines statischen Mehrpolmagnetfeldes durch Magnetisieren eines magnetisierbaren Werkstoffes in dem Hals oder rings um den Hals einer Farbbildröhre | |
| DE2319262B2 (de) | Entmagnetisierungseinrichtung zur kompensation des erdfeldes bei farbbildroehren | |
| DE2832667C2 (de) | Verfahren zum Erzeugen magnetisierter Bereiche in einem Körper aus Magnetmaterial an dem Hals einer Kathodenstrahlröhre | |
| DE2245295C3 (de) | Ablenkspulensatz für Farbfernsehen | |
| DE3209767C2 (de) | Verfahren und Vorrichtung zur Magnetisierung eines um den Elektronenstrahlweg einer Farbbildröhre herum angeordneten magnetisierbaren Materials | |
| DE3106846C2 (de) | Kompensierte Ablenkeinrichtung für einen Farbfernsehempfänger mit Inline-Bildröhre | |
| DE3121456A1 (de) | "bildroehre mit vergroesserter horizontalablenkung" | |
| DE930996C (de) | Kathodenstrahlroehre | |
| DE2321149B2 (de) | Dyna mische Vertikal-Konvergenzschaltung | |
| DD244027A5 (de) | Verfahren zur herstellung einer farbfernsehbildroehre und anordnung zur durchfuehrung dieses verfahrens | |
| DE69516839T2 (de) | Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung | |
| DE3603476A1 (de) | Bildschirmgeraet | |
| DE1912038C3 (de) | Horizontalkonvergenzschaltung | |
| DE3311102A1 (de) | Verfahren und anordnung zur einstellung der farbeinheit einer farbbildroehre | |
| DE2523842C3 (de) | Horizontalkonvergenzvorrichtung für Inline-Kathodenstrahlröhren | |
| DE4107888C2 (de) | Elektronenkanone | |
| DE1930618B2 (de) | Konvergenz korrektursystem fuer eine farbbild wiedergabe roehre mit einfach elektronenkanone | |
| DE1930618C (de) | Konvergenz-Korrektursystem für eine Farbbild-Wiedergaberöhre mit Einfach-Elektronenkanone | |
| DE2451027A1 (de) | Fernsehablenkspule | |
| DE3005763C2 (de) | Entmagnetisierungseinrichtung für eine Farbfernsehbildröhre | |
| DE2200452B2 (de) | Schaltungsanordnung zur konvergenzkorrektur in einem fernsehempfaenger | |
| DE2112163B2 (de) | Anordnung für die radiale, statische und dynamische Konvergenz | |
| DE749070C (de) | Schaltungsanordnung zur Erzeugung einer ablenkabhaengigen magnetischen Nachkonzentration | |
| DE660391C (de) | Anordnung zur Einstellung des Leuchtflecks in die Bildschirmmitte einer Kathodenstrahlroehre |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |